Question

Explain homosporous and heterosporous spore formations.

Answer 1

Answer:

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In Heterosporous pteridophytes two kinds of spores are produced. 2. The spores are equal in size in homosporous. The smaller spores are called microspores and the larger spores are called megaspores in heterosporous.

Answer 2

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● Homosporous Vs Heterosporous pteridophytes

1. In homosporous pteridophytes, spores are equal size. In heterosporous pteridophytes, spores are unequal.

2. In homosporous pteridophytes, one kind of spores are formed. In heterosporous pteridophytes, two types of spores - microsporangia and macrosporangia.

3. In homolosporous pteridophytes, all spores produced from same sporangia. In heterosporous pteridophytes, spores produced from microsporangia & macrosporangia.

4. Homosporous pteridophytes example - puzzlegrass. Heterosporous pteridophytes example - Salvinia.

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